Electronic circuit equipped with redundant or spare circuit elements for every circuit element
US5111060A · kind A · utility
26Cited by
2References
10Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 13, 1990 |
| Grant date | May 5, 1992 |
| Priority date | — |
| Expiry date | Sep 13, 2010 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03K19/0075
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
The redundant system in accordance with the present invention has, in the shift register, one-dimensional switching array, buffer circuit or the like for the peripheral circuits of a liquid crystal display, spare shift registers, switches, buffers or the like for every bit, switch, buffer or the like, and an improvement of the yield is realized by replacing defective circuits by the spare circuits by means of laser beams or the like.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.